Green Roof Drainage Membrane

Permaseal 20p is a high quality green roof membrane.

Green roof drainage membrane.

Oldroyd green roof drainage membranes safeguard europe ltd. Permaseal 8 green roof is a high quality green roof membrane ideal for creating an attractive and healthy green roof. Manufactured from premium hdpe it provides a drainage layer and filtering layer all in one membrane. Manufactured from hdpe it acts as a drainage layer and high volume water storage membrane for green roofs.

They are planted over a waterproofing membrane often consisting of layers including drainage systems irrigation systems and root barriers. Oldroyd s multi layer technology allows recycled material to be used in the inner core without the loss of performance normally associated with the use of recycled plastic in drainage membranes. Green roofs are only as green as the materials from which they are constructed. Good drainage is criticalfor green roofs and ensures that large amounts of water are not retained on the roof compromising both the structural integrity of the building and plant health through waterlogging and oxygen depleted substrates.

It can be used in both extensive and intensive green roof systems on houses sheds garages and larger commercial projects. Green roof drainage membrane 40m. Sub surface run off must drain efficiently from the substrate into the drainage layer off the roof.